Answer: A) Calcium Phosphate Explanation: The main component of bones and teeth is Calcium Phosphate.

Answer: A) Bangalore Explanation: The Coffee Board of India is an organisation managed by the Ministry of Commerce and Industry of the government of India to promote coffee production in India. The headquarters of the coffee board of India is located in Bangalore, Karnataka.   The Coffee Board of India was established by an act of Parliament in 1942.

Answer: B) included provisions for territorial growth and the admission of new states. Explanation: The Northwest Ordinance of 1787 was significant because it was the second continental congress that charted a government for territory in Northwest America. It also helped forbid slavery, and made a method of admitting new states near the Union.

Answer: A) Directive principle Explanation:

Answer: A) Sulphur dioxide Explanation: Air pollutants are solid particles, gases, and liquid droplets in the air that can adversely affect ecosystems and the health of humans.   Major ambient air pollutants include toxic metals, polycyclic aromatic hydrocarbons, benzene, particulate matter (PM), nitrogen oxides, sulfur oxides, carbon monoxide, and ozone. Power plants, factories, and vehicle and air traffic are the most important anthropogenic sources of air pollution.   In addition, natural sources such as wildfires and volcanic activity contribute to ambient air pollution.

Answer: A) It is set by multiple levels of the government. Explanation: General education policy is set by multiple levels of the government like Federal, state and local governments.

Answer: A) The Tenth Amendment Explanation: The sources of state power are specifically outlined in the Tenth Amendment of the Bill of Rights.When the Constitution was first proposed, many people were concerned about the federal government become too powerful. A group known as the anti-federalists pushed for a way to legally set aside certain rights and powers to individual states. This amendment was added to satisfy the anti-federalists who were concerned that the Constitution would grant the federal government unlimited power.   The Tenth Amendment states that all powers that are not specifically given to the federal government are reserved to individual states.

Answer: A) Chattisgarh Explanation: Chattisgarh State government has granted permission for the installation of a Geothermal Power Plant at Tattapani area of the Balrampur district to the NTPC and it is the first geothermal power plant in India.